data compression

[dogmatic69]

"; // And here's the function function chart_data($values) { // Port of JavaScript from http://code.google.com/apis/chart/ // http://james.cridland.net/code // First, find the maximum value from the values given $maxValue = max($values); // A list of encoding characters to help later, as per Google's example $simpleEncoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; $chartData = "s:"; for ($i = 0; $i < count($values); $i++) { $currentValue = $values[$i]; ``` if ($currentValue > -1) { $chartData.=substr($simpleEncoding,61*($currentValue/$maxValue),1); } else { $chartData.='_'; } ``` } // Return the chart data - and let the Y axis to show the maximum value return $chartData."&chxt=y&chxl=0:|0|".$maxValue; } ?>